88889020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1651

約数の個数: 72

約数和(自身を含む): 214234272

約数和(自身を除く): 125345252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 1597, 2420, 2530, 2783, 3194, 5060, 5566, 6388, 7985, 11132, 13915, 15970, 17567, 27830, 31940, 35134, 36731, 55660, 70268, 73462, 87835, 146924, 175670, 183655, 193237, 351340, 367310, 386474, 404041, 734620, 772948, 808082, 966185, 1616164, 1932370, 2020205, 3864740, 4040410, 4444451, 8080820, 8888902, 17777804, 22222255, 44444510, 88889020]

約数ペア:

[(1, 88889020), (2, 44444510), (4, 22222255), (5, 17777804), (10, 8888902), (11, 8080820), (20, 4444451), (22, 4040410), (23, 3864740), (44, 2020205), (46, 1932370), (55, 1616164), (92, 966185), (110, 808082), (115, 772948), (121, 734620), (220, 404041), (230, 386474), (242, 367310), (253, 351340), (460, 193237), (484, 183655), (506, 175670), (605, 146924), (1012, 87835), (1210, 73462), (1265, 70268), (1597, 55660), (2420, 36731), (2530, 35134), (2783, 31940), (3194, 27830), (5060, 17567), (5566, 15970), (6388, 13915), (7985, 11132)]